.top_box{
	height:52px;
	width:1348px;
	line-height:52px;
	background-color:#eaeaea;
}
.top_box p{
	width:530px;
	float:right;
	margin-right:150px;
}
.top_box p a{
	text-decoration:none;
	color:black;
	margin-right:20px;
}
.top_box p #qiu{
   padding:3px 10px;
   background:url(../images/jingling2.png)no-repeat;
   background-position:0px -41px;
}
.top_box p #xiajian{
	padding:10px;
	background:url(../images/jingling.png)no-repeat;
    background-position:-118px -66px;
}
#nav{
	width:1348px;
	height:51px;
	line-height:51px;
	background-color:#ffffff;
	z-index:999;
}
#nav #nav_left ul li{
	list-style: none;
    float:left;
    margin-right:30px;
}
#nav #nav_left ul li a{
	text-decoration:none;
	color:black;
}
#nav #nav_left ul{
	margin-left:100px;
}
#nav #nav_left ul #logo{
	height:50px;
	width:100px;
	background:url(../images/jingling.png)no-repeat;
	background-position:10px -165px;
}
#nav_left ul li div{
		width:1348px;
		height:300px;
		background-color:white;
		display:none;
		position:absolute;
		left:0;	
}
#nav #nav_right{
	margin-left:200px;
}
#nav #nav_right #kefu{
	padding:5px;
	padding-right:21px;
	background:url(../images/jingling.png)no-repeat;
	background-position:-238px -110px;
	margin-left:5px;
	margin-right:5px;
}
#nav #nav_right #shop{
	padding:13px;
	padding-right:21px;
	background:url(../images/jingling.png)no-repeat;
	background-position:-180px -1px;
	margin-left:5px;
	margin-right:5px;
}
#nav #nav_right input{
	padding:5px 5px 0;
}
#nav #nav_right button{
	padding:3px;
}
#nav #nav_right a{
	text-decoration:none;
	color:red;
	margin-left:20px;
}
#nav #nav_right #search{
	padding-left:12px;
	padding-bottom:5px;
	background-color:red;
	border:0;
	border-radius:5px;
	position:relative;
	top:-3px;
	left:-5px;
}
.fix{
	position: fixed;
	top:0;
	left:0;
}
#bot_nav{
	height:20px;
	width:1348px;
	padding-top:10px;
	padding-bottom:10px;
	background-color:#333333;
}
 #demo{
	    height:22px;
	    width:975px;
	    overflow:hidden;
	    color:white;
	    margin:0 auto;
	    line-height:40px;
	    text-align:center;
	}
#BigImg{
	height:470px;
	width:1348px;
	margin:0 auto;
}
#BigImg img{
	width:1348px;
}
.top{
       height:71px;
       width:71px;
       border-radius:10px;
       background-color:#fff;
       position: fixed;
       right:10px;
       bottom:70px;
       display: none;
}
.top img{
	width:35px;
	height:35px;
	position:relative;
	top:18px;
	left:18px;
	-webkit-background-size: 220px 220px;
	-moz-background-size: 220px 220px;
	-webkit-border-radius: 110px;
	-webkit-transition: -webkit-transform 2s ease-out;
	-moz-transition: -moz-transform 2s ease-out;
	-o-transition: -o-transform 2s ease-out;
	-ms-transition: -ms-transform 2s ease-out;
}
.top img:hover{
	-webkit-transform: rotateZ(360deg);
	-moz-transform: rotateZ(360deg);
	-o-transform: rotateZ(360deg);
	-ms-transform: rotateZ(360deg);
	transform: rotateZ(360deg);
}
.erzi {
	float: left;
	width: 80px;
	height: 45px;
	margin-left: 60px;
	line-height: 45px;
	position: relative;
}
.erzi>ul{
	width: 180px;
	text-align: center;
	background-color: black;
	position: absolute;
	left: -50px;
	display: none;
}
.erzi>ul::before{
	content: "";
	border: 8px solid black;
	border-right: 8px solid transparent;
	border-left: 8px solid transparent;
	border-top: 8px solid transparent;
	position: absolute;
	top: -15px;
	left: 80px;
}